Fix std::map reference argument :-(

Author: gaudryc

hardware/RFXComSerial.cpp

@@ -433,7 +433,7 @@ std::string RFXComSerial::GetUploadMessage()
 	return m_szUploadMessage;
 }
 
-bool RFXComSerial::Read_Firmware_File(const char *szFilename, std::map<unsigned long, std::string> fileBuffer)
+bool RFXComSerial::Read_Firmware_File(const char *szFilename, std::map<unsigned long, std::string>& fileBuffer)
 {
 #ifndef WIN32
 	struct stat info;

hardware/RFXComSerial.h

@@ -31,7 +31,7 @@ class RFXComSerial: public AsyncSerial, public CDomoticzHardwareBase
 	bool UpgradeFirmware();
 	bool Write_TX_PKT(const unsigned char *pdata, size_t length, const int max_retry = 3);
 	bool Handle_RX_PKT(const unsigned char *pdata, size_t length);
-	bool Read_Firmware_File(const char *szFilename, std::map<unsigned long, std::string> fileBuffer);
+	bool Read_Firmware_File(const char *szFilename, std::map<unsigned long, std::string>& fileBuffer);
 	bool EraseMemory(const int StartAddress, const int StopAddress);
 
 	serial::Serial m_serial;